National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Hyannis, Barnstable Municipal-Boardman Airport (KHYA)

Lat: 41.67°NLon: 70.27°WElev: 49ft.

Fair

27°F

-3°C

Humidity 81%
Wind Speed Calm
Barometer 30.61 in (1036.8 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 8 Apr 11:56 pm EDT
Extended Forecast for

South Dennis MA

  • Overnight

    Overnight: Clear, with a low around 27. Calm wind.

    Low: 27 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 47. Southeast wind 5 to 10 mph.

    High: 47 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 36. South wind 5 to 9 mph becoming calm in the evening.

    Low: 36 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 51. Calm wind becoming southwest 5 to 9 mph in the morning.

    High: 51 °F

    Sunny

  • Friday Night

    Friday Night: A slight chance of showers after 3am. Mostly cloudy, with a low around 42. Southwest wind around 7 mph. Chance of precipitation is 20%.

    Low: 42 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 51. North wind 6 to 8 mph.

    High: 51 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 39. Light north wind.

    Low: 39 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 48. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 48 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 41. South wind 5 to 7 mph.

    Low: 41 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 27. Calm wind.
Thursday
Sunny, with a high near 47. Southeast wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 36. South wind 5 to 9 mph becoming calm in the evening.
Friday
Sunny, with a high near 51. Calm wind becoming southwest 5 to 9 mph in the morning.
Friday Night
A slight chance of showers after 3am. Mostly cloudy, with a low around 42. Southwest wind around 7 mph. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 51. North wind 6 to 8 mph.
Saturday Night
Mostly clear, with a low around 39. Light north wind.
Sunday
Sunny, with a high near 48. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 41. South wind 5 to 7 mph.
Monday
Mostly cloudy, with a high near 54. South wind 9 to 14 mph, with gusts as high as 26 mph.
Monday Night
Mostly cloudy, with a low around 48. Southwest wind around 11 mph, with gusts as high as 24 mph.
Tuesday
Partly sunny, with a high near 59. Southwest wind 9 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 48. Southwest wind around 8 mph, with gusts as high as 20 mph.
Wednesday
Partly sunny, with a high near 59. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Dennis MA
 41.69°N 70.16°W (Elev. 7 ft)
Last Update:
8:34 pm EDT Apr 8, 2026
Forecast Valid:
12am EDT Apr 9, 2026-6pm EDT Apr 15, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation